Other Chemicals

E02A0007 Rat Epinephrine/Adrenaline ELISA kit Rat Adrenaline/Epinephrine ELISA kit is suitable for the detection of samples from Rat species. Epinephrine/Adrenaline can also be called ADR, or EPI. Specifications of Rat Adrenaline/Epinephrine ELISA kit Product Information Cat. No. E02A0007 Product Name Rat Epinephrine/Adrenaline ELISA kit Species Rat Product Size 48 Tests / 96 Tests Concentration 100-2500pg/ml Sensitivity 1.0 pg/mL Principal Competitive ELISA Sample Volume 100 ul Sample Type Serum, plasma, cell culture supernatants, body fluid and tissue homogenate Assay Time 90 minutes Platform Microplate Reader Conjugate HRP Detection Method Colorimetric Storage 2-8°C Principle of the Assay EPI ELISA kit applies the competitive enzyme immunoassay technique utilizing an anti-EPI antibody and an EPI-HRP conjugate. The assay sample and buffer are incubated together with EPI-HRP conjugate in pre-coated plate for one hour. After the incubation period, the wells are decanted and washed five times. The wells are then incubated with a substrate for HRP enzyme. The product of the enzyme-substrate reaction forms a blue colored complex. Finally, a stop solution is added to stop the reaction, which will then turn the solution yellow. The intensity of color is measured spectrophotometrically at 450nm in a microplate reader. The intensity of the color is inversely proportional to the EPI concentration since EPI from samples and EPI-HRP conjugate compete for the anti-EPI antibody binding site. Since the number of sites is limited, as more sites are occupied by EPI from the sample, fewer sites are left to bind EPI-HRP conjugate. A standard curve is plotted relating the intensity of the color (O.D.) to the concentration of standards. The EPI concentration in each sample is interpolated from this standard curve. Citations of Rat Epinephrine/Adrenaline ELISA kit E02A0007 has been referenced in the below publications: Role of plateau hypoxia hypothermia complex damage to the vascular endothelial cells and the protective effect. The mechanism research of neurons injury in the basolateral of amygdala induced by stress. If you want to know more kinds of human igg elisa kits, please visit our website. As one elisa kit manufacturer, we are committed to providing the kits with simple and easy operations but accurate and reliable quality to the researchers, and we have won a good reputation from customers all around the world. Many published papers have cited the usage of BlueGene Biotech ELISA kits. In addition, we provide a 100% Risk-Free Performance Guarantee, professional technical service, and timely assistance for all customers. Our strict and sound quality control is a key part to sustainably supply our products for the international market for more than 12 years. More new products with good quality are coming soon...

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E01A0049 Human Amyloid β Protein 40 ELISA kit Human Adenosine diphosphate ELISA kit is suitable for the detection of samples from human species. Amyloid Beta ELISA Protein 40 can also be called Aβ40, beta-amyloid 40. Principle of the Assay AΒ40 ELISA kit applies the quantitative sandwich enzyme immunoassay technique. The microtiter plate has been pre-coated with a monoclonal antibody specific for AΒ40. Standards or samples are then added to the microtiter plate wells and AΒ40 if present, will bind to the antibody pre-coated wells. In order to quantitatively determine the amount of AΒ40 present in the sample, a standardized preparation of horseradish peroxidase (HRP)-conjugated polyclonal antibody, specific for AΒ40 are added to each well to “sandwich” the AΒ40 immobilized on the plate. The microtiter plate undergoes incubation, and then the wells are thoroughly washed to remove all unbound components. Next, substrate solutions are added to each well. The enzyme (HRP) and substrate are allowed to react over a short incubation period. Only those wells that contain AΒ40 and enzyme-conjugated antibody will exhibit a change in color. The enzyme-substrate reaction is terminated by addition of a sulphuric acid solution and the color change is measured spectrophotometrically at a wavelength of 450 nm. A standard curve is plotted relating the intensity of the color (O.D.) to the concentration of standards. The AΒ40 concentration in each sample is interpolated from this standard curve. Quality Control on Human Amyloid β Protein 40 ELISA kit Coefficient of Variance Intra Variation% ＜10% Inter Variation% ＜12% Recovery 92-105% Linearity Diluent Ratio Range % 1:02 96-105 1:04 903-103 1:08 89-107 Specificity/Cross-reactivity No significant cross-reactivity or interference between AΒ40 and analogues was observed. Citations of Human Amyloid β Protein 40 ELISA kit E01A0049 has been referenced in the below publications: Therapeutic effect of probucol on mild cognitive impairment in type 2 diabetic patients. Chronic Noise Exposure Acts Cumulatively to Exacerbate Alzheimer's Disease-Like Amyloid-β Pathology and Neuroinflammation in the Rat Hippocampus. Elisa kit supplier Shanghai BlueGene Biotech is a company with research, production, and sale in one, our product's range includes Enzyme-Linked Immunosorbent Assay (ELISA) kits and registered trademark "cgbio®" ELISA Kits, proteins, antibodies, plasmids, and other reagents, such as His-tag Protein Purification kit. If you want to know more kinds of bovine igg elisa kits, please visit our website.

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E01A0047 Human Adrenomedullin ELISA kit Human Adrenomedullin ELISA kit is suitable for the detection of samples from human species. Adrenomedullin can also be called AM, ADM, ADM precursor, ADML. Specifications of Human Adrenomedullin ADM ELISA kit Principle of the Assay AM ELISA kit applies the competitive enzyme immunoassay technique utilizing an anti-AM antibody and an AM-HRP conjugate. The assay sample and buffer are incubated together with AM-HRP conjugate in pre-coated plate for one hour. After the incubation period, the wells are decanted and washed five times. The wells are then incubated with a substrate for HRP enzyme. The product of the enzyme-substrate reaction forms a blue colored complex. Finally, a stop solution is added to stop the reaction, which will then turn the solution yellow. The intensity of color is measured spectrophotometrically at 450nm in a microplate reader. The intensity of the color is inversely proportional to the AM concentration since AM from samples and AM-HRP conjugate compete for the anti-AM antibody binding site. Since the number of sites is limited, as more sites are occupied by AM from the sample, fewer sites are left to bind AM-HRP conjugate. A standard curve is plotted relating the intensity of the color (O.D.) to the concentration of standards. The AM concentration in each sample is interpolated from this standard curve. Citations of Human Adrenomedullin ELISA kit E01A0047 has been referenced in the below publications: Analysis of the Secretome of Apoptotic Peripheral Blood Mononuclear Cells: Impact of Released Proteins and Exosomes for Tissue Regeneration. Elisa kit supplier Shanghai BlueGene Biotech is a company with research, production, and sale in one, our product's range includes Enzyme-Linked Immunosorbent Assay (ELISA) kits and registered trademark "cgbio®" ELISA Kits, proteins, antibodies, plasmids, and other reagents, such as His-tag Protein Purification kit. If you want to know more kinds of mouse igg elisa kits, please visit our website.

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E01A0039 Human Total β Amyloid Protein ELISA kit Human Total β Amyloid Beta ELISA kit is suitable for the detection of samples from human species. Total β Amyloid Protein can also be called Aβ, Aβ protein, Amyloid beta-peptide, Beta-amyloid peptide, Beta-amyloid protein, beta Amyloid Protein. Specifications of Human Total β Amyloid Protein Bluegene ELISA kit Product Information Cat. No. E01A0039 Product Name Human Alkaline Phosphatase ELISA kit Species Human Product Size 48 Tests / 96 Tests Concentration 5.0-100ng/mL Sensitivity 1.0 ng/mL Principal Sandwich ELISA Sample Volume 50 ul Sample Type Serum, plasma, cell culture supernatants, body fluid and tissue homogenate Assay Time 90 minutes Platform Microplate Reader Conjugate HRP Detection Method Colorimetric Storage 2-8°C Principle of the Assay AΒ ELISA kit applies the quantitative sandwich enzyme immunoassay technique. The microtiter plate has been pre-coated with a monoclonal antibody specific for AΒ. Standards or samples are then added to the microtiter plate wells and AΒ if present, will bind to the antibody pre-coated wells. In order to quantitatively determine the amount of AΒ present in the sample, a standardized preparation of horseradish peroxidase (HRP)-conjugated polyclonal antibody, specific for AΒ are added to each well to “sandwich” the AΒ immobilized on the plate. The microtiter plate undergoes incubation, and then the wells are thoroughly washed to remove all unbound components. Next, substrate solutions are added to each well. The enzyme (HRP) and substrate are allowed to react over a short incubation period. Only those wells that contain AΒ and enzyme-conjugated antibody will exhibit a change in color. The enzyme- substrate reaction is terminated by addition of a sulphuric acid solution and the color change is measured spectrophotometrically at a wavelength of 450 nm. A standard curve is plotted relating the intensity of the color (O.D.) to the concentration of standards. The AΒ concentration in each sample is interpolated from this standard curve. Citations of Human Total β Amyloid Protein ELISA kit E01A0039 has been referenced in the below publications: The study of the Characteristics of Cognitive Impairment after Acute Mild-to- Moderate Ischemic Stroke and the Role of SAA and Aβ in Cognitive Impairment. If you want to know more kinds of meth residue test kits, please visit our website.

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E01A0038 Human Adenosine Triphosphate ELISA kit Human Adenosine Triphosphate ATP ELISA kit is suitable for the detection of samples from human species. Adenosine Triphosphate can also be called Adenosine-5'-Triphosphate, ATP. Specifications of Human Adenosine Triphosphate ATP ELISA kit Product Information Cat. No. E01A0038 Product Name Human Adenosine Triphosphate ELISA kit Species Human Product Size 48 Tests / 96 Tests Concentration 50-1000 ng/mL Sensitivity 1.0 ng/mL Principal Competitive ELISA Sample Volume 100 ul Sample Type Serum, plasma, cell culture supernatants, body fluid and tissue homogenate Assay Time 90 minutes Platform Microplate Reader Conjugate HRP Detection Method Colorimetric Storage 2-8°C Principle of the Assay ATP ELISA kit applies the competitive enzyme immunoassay technique utilizing an anti-ATP antibody and an ATP-HRP conjugate. The assay sample and buffer are incubated together with ATP-HRP conjugate in pre-coated plate for one hour. After the incubation period, the wells are decanted and washed five times. The wells are then incubated with a substrate for HRP enzyme. The product of the enzyme-substrate reaction forms a blue colored complex. Finally, a stop solution is added to stop the reaction, which will then turn the solution yellow. The intensity of color is measured spectrophotometrically at 450nm in a microplate reader. The intensity of the color is inversely proportional to the ATP concentration since ATP from samples and ATP-HRP conjugate compete for the anti-ATP antibody binding site. Since the number of sites is limited, as more sites are occupied by ATP from the sample, fewer sites are left to bind ATP-HRP conjugate. A standard curve is plotted relating the intensity of the color (O.D.) to the concentration of standards. The ATP concentration in each sample is interpolated from this standard curve. Quality Control on Human Adenosine Triphosphate ELISA kit Coefficient of Variance Intra Variation% ＜10% Inter Variation% ＜12% Recovery 94-106% Linearity Diluent Ratio Range % 1:02 93-101 1:04 90-107 1:08 92-105 Specificity/Cross-reactivity No significant cross-reactivity or interference between ATP and analogues was observed. Citations of Human Adenosine Triphosphate ELISA kit E01A0038 has been referenced in the below publications: The research of the metabolism and in vivo functional changes of erythrocyte stored at -65℃. Elisa kit supplier Shanghai BlueGene Biotech is a company with research, production, and sale in one, our product's range includes Enzyme-Linked Immunosorbent Assay (ELISA) kits and registered trademark "cgbio®" ELISA Kits, proteins, antibodies, plasmids, and other reagents, such as His-tag Protein Purification kit. If you want to know more kinds of human insulin elisa kit, please visit our website.

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E01A0035 Human Asymmetric Dimethylaoyoinine ELISA kit Human Asymmetric Dimethylaoyoinine ADMA ELISA kit is suitable for the detection of samples from human species. Asymmetric Dimethylaoyoinine can also be called N-Dimethylarginine: NG, NG-Dimethylarginine dihydrochloride, Asymmetric Dimethylarginine, ADMA. Specifications of Human Asymmetric Dimethylaoyoinine ELISA kit Principle of the Assay ADMA ELISA kit applies the quantitative sandwich enzyme immunoassay technique. The microtiter plate has been pre-coated with a monoclonal antibody specific for ADMA. Standards or samples are then added to the microtiter plate wells and ADMA if present, will bind to the antibody pre-coated wells. In order to quantitatively determine the amount of ADMA present in the sample, a standardized preparation of horseradish peroxidase (HRP)-conjugated polyclonal antibody, specific for ADMA are added to each well to “sandwich” the ADMA immobilized on the plate. The microtiter plate undergoes incubation, and then the wells are thoroughly washed to remove all unbound components. Next, substrate solutions are added to each well. The enzyme (HRP) and substrate are allowed to react over a short incubation period. Only those wells that contain ADMA and enzyme-conjugated antibody will exhibit a change in color. The enzyme- substrate reaction is terminated by addition of a sulphuric acid solution and the color change is measured spectrophotometrically at a wavelength of 450 nm. A standard curve is plotted relating the intensity of the color (O.D.) to the concentration of standards. The ADMA concentration in each sample is interpolated from this standard curve. Quality Control on Human Asymmetric Dimethylaoyoinine ELISA kit 1:08 93-109 Specificity/Cross-reactivity No significant cross-reactivity or interference between ADMA and analogues was observed. Citations of Human Asymmetric Dimethylaoyoinine Bluegene ELISA kit E01A0035 has been referenced in the below publications: Dickkopf1 destabilizes atherosclerotic plaques and promotes plaque formation by inducing apoptosis of endothelial cells through activation of ER stress. Brain Volumetrics, Regional Cortical Thickness and Radiographic Findings in Adults with Cyanotic Congenital Heart Disease. Effect of super-flux polyethersulfone dialysis membrane on the removal of adma asymmetric dimethylarginine: a pilot clinical study. The Effect and Mechanism of Asymmetric Dimethylarginine Regulating Trophoblastic Autophagy on Fetal Growth Restriction. The role and mechanism of asymmetric dimethylarginine in fetal growth restriction via interference with endothelial function and angiogenesis. If you want to know more kinds of drug residue test kit, please contact us.

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Spray Dried Duck Blood Cell Protein Powder For Feed Is A Product Obtained By Sterilization And Spray Drying, Which Is Ba Sensory requirements project index character Dry powder granule smell It has a special smell of blood products, no spoilage and bad smell. Color and lustre Uniform and consistent Spray dried duck hemoglobin powder 1. Nutrient rich: Duck blood is more nutritious, with protein content of more than 90%, balanced amino acid content, high lysine and methionine content, and rich in a variety of trace elements. 2. Anemia prevention: Duck blood is rich in organic iron (porphyria iron), which can supplement iron and blood and prevent animal anemia. Spray dried duck plasma protein powder 1. Improve immunity: It is rich in immunoactive functional proteins such as albumin, globulin and nutrient binding protein, which can improve the immunity of animals. 2. Improve gut health: It has good food attractiveness, can improve intestinal absorption and improve digestibility. 3. It can be used as a binder in feed: Duck plasma protein powder has unique gel properties, which can be used as an excellent adhesive in wet grain and improve the palatability of feed Establishment time, subordinate relationship, ownership nature: Weifang Pulun Biotechnology Co., Ltd. was established in 2008, the factory site is located in Shouguang City Anyang Street and Special Steel Road intersection and 200 meters east, the registered capital is 1 million yuan, the nature of ownership is a limited liability company.The new generation of plasma protein powder and blood cell protein powder produced by our company have become the preferred additives for piglets in the feed field. the production capacity of our company can reach more than 1000 tons, and the product quality and effect have been fully affirmed by the majority of users. the products are now sold to Shandong, Hebei, Henan, Sichuan, Jiangsu, Guangdong and other provinces and cities. 34 Vbn Spray Dried Animal Feed Additives Haemoglobin Powder Duck Blood Cell Protein 034 Vbn Spray Dried Animal Feed Additives Haemoglobin Powder Duck Blood Cell Protein 1 34 Vbn Spray Dried Animal Feed Additives Haemoglobin Powder Duck Blood Cell Protein 234 Vbn Spray Dried Animal Feed Additives Haemoglobin Powder Duck Blood Cell Protein 334 Vbn Spray Dried Animal Feed Additives Haemoglobin Powder Duck Blood Cell Protein 4

Aromatic hydrocarbons are the collective name for benzene and its carbon and hydrogen-only derivatives, which are hydrocarbon compounds with one or more benzene rings in their molecular structure. The simplest and most important aromatic hydrocarbons are benzene and its congeners toluene, xylene, ethylbenzene, etc. TYPES OF AROMATIC HYDROCARBONS Ethylbenzene P-XYLENE M-Xyle , ne 1,2,4-Trimethylbenzene Mesitylene , AROMATIC HYDROCARBONS BENEFITS Aromatic hydrocarbons, also known as arenes, have several benefits including: Fuel: Aromatic hydrocarbons are used as fuel additives, due to their high energy density and low volatility. Solvents: They are widely used as solvents in various industrial processes, due to their non-reactivity and low toxicity. Intermediates: Aromatic hydrocarbons are used as intermediates in the synthesis of a variety of chemicals such as pharmaceuticals, dyes, and plastics. Aroma: Aromatic hydrocarbons are also used in perfumes, fragrances, and flavors, due to their pleasant aroma. Pesticides: Some aromatic hydrocarbons, such as pyrethroids, are used as insecticides and pesticides. AROMATIC HYDROCARBONS PRODUCTION Aromatic hydrocarbons are a class of organic compounds that contain one or more aromatic rings, such as benzene, toluene, and xylene. These compounds are widely used as raw materials in the production of various chemicals and plastics, such as polyethylene terephthalate (PET) and polyurethane. The production of aromatic hydrocarbons typically involves two main processes: extraction and refining. In the extraction process, crude oil or natural gas is processed to extract the desired hydrocarbons, including aromatics. This process involves fractional distillation, in which the different hydrocarbons are separated based on their boiling points. Once the aromatics are extracted, they undergo a refining process to remove impurities and convert them into the desired products. This refining process may involve various techniques, such as catalytic reforming, which converts naphtha into higher-octane aromatics; alkylation, which combines smaller molecules to form larger ones; and transalkylation, which converts alkylated aromatics into the desired product. The production of aromatic hydrocarbons is a complex process that requires specialized equipment and expertise. The use of advanced technologies, such as catalysts and process control systems, has enabled manufacturers to produce high-quality aromatics efficiently and cost-effectively. In addition to their use as raw materials in the production of chemicals and plastics, aromatic hydrocarbons are also used as solvents, fuels, and intermediates in the manufacture of pharmaceuticals and other products. They play a vital role in many industries and are essential in modern society. WHY CHOOSE TOPFINE AROMATIC HYDROCARBONS producing high-quality aromatic hydrocarbons that meet strict industry standards and customer requirements.  Competitive pricing: TOPFINE may offer competitive pricing for their aromatic hydrocarbon products, ensuring that customers receive good value for their investment. Excellent customer service: TOPFINE may prioritize providing excellent customer service and support, ensuring that their customers' needs are met and questions are answered in a timely and helpful manner. Expertise: TOPFINE may have extensive experience and knowledge in the production and supply of aromatic hydrocarbons, which enables them to provide tailored solutions to meet specific customer needs. Reliability: Customers may trust TOPFINE to consistently provide reliable and timely delivery of their products. Customization: TOPFINE may be able to provide customized products and solutions to meet the unique requirements of their customers. AROMATIC HYDROCARBONS APPLICATIONS Aromatic hydrocarbons have a wide range of applications in various industries. Some of the common applications of these compounds are: Production of fragrances and flavors: Aromatic hydrocarbons are used as key ingredients in the production of fragrances and flavors. They help to create the characteristic aromas and tastes of various products, such as perfumes, cosmetics, and food products. Production of plastics: Aromatic hydrocarbons are used as raw materials in the production of various types of plastics, including polyethylene terephthalate (PET) and polyurethane. These plastics are used in a wide range of products, such as packaging materials, textiles, and construction materials. Production of synthetic fibers: Aromatic hydrocarbons are used in the production of synthetic fibers, such as nylon and polyester. These fibers are used in various applications, including clothing, upholstery, and carpets. Production of detergents: Aromatic hydrocarbons are used as surfactants in the production of detergents and cleaning products. They help to reduce the surface tension of water and improve the cleaning performance of these products. Production of fuels: Aromatic hydrocarbons are used as components in gasoline and diesel fuels. They help to improve the octane rating of gasoline and the cetane rating of diesel, which improves the performance of these fuels. Production of pharmaceuticals: Aromatic hydrocarbons are used as intermediates in the production of various pharmaceuticals, such as antibiotics, anti-inflammatory drugs, and anticancer drugs. As a professional fine chemicals manufacturer, Topfine chemical is a leading distribut of chemistry and related innovative products and services, delivering thousands of products from industrial to fine chemicals in china. Because of abundant distribution network, ensure deliver goods fast with precision and reliability. 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pharmaceutical intermediates The so-called pharmaceutical intermediates, that is, the production process of pharmaceutical products, the use of raw materials, materials, excipients, and other intermediate pharmaceutical products. In fact, many pharmaceutical intermediates manufacturers believed that it is some chemical raw materials or chemical products used in the process of drug synthesis. TYPES OF PHARMACEUTICAL INTERMEDIATES Morpholine 4-Methylmorpholine< , br>4-Methylmorpholine N-oxide READ MORE 2-(2-Aminoethoxy) Ethanol Isopropylamine Triethylamine 121-44-8 N,N-Dimethylacetamide 127-19-5 2-Butyl-4-chloro-5-formylimidazole , Triphosgene Phosphorus Oxychloride Phosphorus Trichloride 2-Chlorobenzaldehyde 4-Chloroben , zaldehyde 6,8-Epitrithio-Octanoic Acid P-toluic Acid M-toluic Acid O-toluic Acid Tosyl Chloride P-Toluenesulfonamide Nitrile Coa , l Chemical Hydrogen Peroxide Raw Material INTERMEDIATE PHARMACEUTICAL PRODUCTS APPLICATIONS Intermediate pharmaceutical products have a wide range of applications in the pharmaceutical industry. Some of the common applications are: API synthesis: Intermediate pharmaceutical products are used as building blocks in the synthesis of Active Pharmaceutical Ingredients (APIs). They serve as starting materials for the synthesis of complex organic molecules, which are then further processed to produce the final API. Process optimization: Intermediate pharmaceutical products can be used to optimize the manufacturing process of APIs. By using intermediates that are easier to synthesize or purify, the overall process efficiency can be improved, leading to cost savings and higher yields. Drug discovery: Intermediate pharmaceutical products can be used in drug discovery to identify new drug candidates. By synthesizing and testing different analogues of known drugs, new compounds with improved properties can be identified. Chemical research: Intermediate pharmaceutical products are also used in chemical research to develop new synthetic methodologies and explore new chemical reactions. They serve as valuable tools for chemical synthesis and can help advance the field of organic chemistry. Contract manufacturing: Intermediate pharmaceutical products can be supplied to contract manufacturing organizations (CMOs) that specialize in the production of APIs. These CMOs can use the intermediates to synthesize APIs on behalf of pharmaceutical companies. In summary, intermediate pharmaceutical products have a range of applications in the pharmaceutical industry, including API synthesis, process optimization, drug discovery, chemical research, and contract manufacturing. They play a crucial role in the development and production of drugs and are essential in the pharmaceutical supply chain. WHAT CAN BE PHARMACEUTICAL INTERMEDIATES USED AS? Pharmaceutical intermediates can be used in several ways in the synthesis and production of pharmaceutical drugs:  Building blocks: They can be used as building blocks to create the active pharmaceutical ingredient (API) with the desired properties and potency. Starting materials: They can be used as starting materials for chemical reactions that produce the final API. Improving manufacturing processes: They can be used to improve the efficiency, yield, and safety of the overall pharmaceutical manufacturing process. PHARMACEUTICAL INTERMEDIATES CHALLENGES The production of pharmaceutical intermediates faces several challenges, including:  Addressing these challenges requires a combination of technical expertise, process innovation, and effective supply chain management. Companies that can successfully navigate these challenges are well-positioned to provide high- quality pharmaceutical intermediates that meet the needs of the industry. Process optimization: The process of manufacturing pharmaceutical intermediates involves several steps that require careful optimization to ensure efficient and cost-effective production. This requires a thorough understanding of the chemical reactions involved, as well as the properties of the raw materials and intermediates used.  Quality control: Pharmaceutical intermediates must meet strict quality standards to ensure their safety and efficacy in the final drug product. This requires rigorous quality control measures throughout the production process, including testing and analysis of raw materials, intermediates, and final products.  Environmental regulations: The production of pharmaceutical intermediates can have a significant impact on the environment due to the use of hazardous chemicals and waste products. Compliance with environmental regulations is essential to ensure safe and sustainable production practices. Intellectual property: Pharmaceutical intermediates often involve proprietary processes and technologies that are protected by patents. Developing new intermediates or improving existing ones can require significant investments in research and development. Supply chain management: The production of pharmaceutical intermediates often involves multiple suppliers and manufacturers, making supply chain management a complex and challenging task. Ensuring a reliable and cost-effective supply chain is critical to maintaining the production schedule and meeting customer demand. WHAT IS THE DIFFERENCE BETWEEN API AND PHARMACEUTICAL INTERMEDIATE?  API stands for Active Pharmaceutical Ingredient, which is the active chemical substance in a drug product that provides the intended therapeutic effect. Pharmaceutical intermediates, on the other hand, are the compounds that are synthesized during the production of API. In other words, pharmaceutical intermediates are the chemical compounds that are used to manufacture API. These compounds may or may not have any therapeutic effect on their own, but they are essential in the production process of API. Pharmaceutical intermediates are often produced in large quantities and used as starting materials for the synthesis of API. They undergo several chemical reactions and purification steps to form the final API. Pharmaceutical intermediates may also be used as building blocks for the synthesis of other complex organic compounds.  In summary, the main difference between API and pharmaceutical intermediate is that API is the active chemical substance in a drug product that provides the intended therapeutic effect, while pharmaceutical intermediates are the compounds that are synthesized during the production of API. Pharmaceutical intermediates are essential in the manufacturing process of API, but they do not have any therapeutic effect on their own. As one of fine chemical companies, we will do our best to meet all the needs of customers. 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As a professional paint and coating additives manufacturer, Topfine Chemical provides professional solutions for raw materials in the paint and ink industry. Our raw materials are characterized by replacing high pollution, green and safe products. Our paint additives and coatings are mainly used in the production of resins, solvents, and other additives in coatings. Types of Paint Additives O-phthalic Anhydride Maleic Anhydride Acrylic Products Green Solvent INK Solvents Film-forming Agent WHY BLEND IN AN ADDITIVE TO PAINT? Solvent is often not taken seriously for people in the action in coating, think it is volatile component, always volatilize finally drop and do not stay in paint film, won't have very big effect to the quality of paint so. Actually otherwise, the factor such as the dissolving force of all sorts of dissolvent and volatilization rate to the lacquer that make is in production, store, construction and paint film burnish, adhesion, surface state wait for various performance to have great effect. WHY ARE PAINTS AND COATINGS ADDITIVES IMPORTANT？ Coating additives not only play an important role in the application of coating, but also play an important role in each link of coating production.  First of all, the role of additives of paint and coating in the production stage, mainly including initiation, dispersion, defoaming, emulsification, filter aid and so on. Next, it is playing an important role in the storage stage of coating, basically it is to prevent coating surface crust, bottom layer precipitation, improve viscosity, and thixotropic agent, radiation-proof agent, dizzy dye agent. These coating additives play a vital role not only in the construction stage, but also in every link of coating production. ADDITIVES FOR PAINTS AND COATINGS TECHNOLOGY Sec-butyl acetate can serve as a solvent with a variety of substances including alcohol, ether, ester, ketone and hydrocarbon, and is commonly utilized as a diluting agent in coatings, inks, and adhesives due to its affordability and relatively low toxicity. Additionally, it has the ability to function as a quick drying agent for delicate materials. 1 In metal flash paint, you can use sec-butyl acetate to dissolve cellulose acetate butyrate, the preparation of 5%~20% solution. 2 Sec-butyl acetate has good solubility for many substances, and can be used as a solvent for manufacturing nitrocellulose paint, acrylic paint, polychlorinated ester paint and so on. 3 butyl acetate is low toxicity, cheap price, good solubility, moderate volatilization speed, can replace some toxic and harmful solvents in ink. Paints And Coatings Additives Technologie 4 Sec-butyl acetate has the characteristics of strong solubility, moderate volatilization speed and low toxicity, which can improve the comprehensive quality of adhesive products. 5 Sec-butyl acetate has the characteristics of strong solubility, moderate volatilization speed and low toxicity, which can improve the comprehensive quality of adhesive products. 6 Used as a thinner,Sec-butyl acetate is soluble with most solvents such as alcohol, ether, ester, ketone and hydrocarbon, and is an ideal diluent with low cost and low toxicity in coatings, inks and adhesives. It can also be used as a fast drying agent for sensitive materials. As a fine chemicals company, we can offer kinds of bulk and fine chemicals for sale, if you are interested, please contact us.

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Fine chemical products are specialty chemical products that are manufactured in small quantities and have a high level of purity. They are used as intermediates or building blocks in various industries such as pharmaceuticals, agrochemicals, electronics, and personal care. Fine chemicals and solvents often have specific properties, such as reactivity, that make them suitable for specific applications, and they are typically more expensive than commodity chemicals. Our approach to fine and specialty chemical distribution at TOPFINE is to be your most dependable and resourceful partner. We take pleasure in being organic fine chemicals manufacturing experts. TYPES OF FINE CHEMICALS Paint & Coating Additives Food Additives & Feed Additives Pharmaceutical Intermediates Aromatic Hydrocarbons Base Raw Material FINE CHEMICAL PRODUCTS FEATURES 1 Industrial fine chemicals products are typically high-purity, specialty chemicals that are used in a wide range of industries, including pharmaceuticals, electronics, cosmetics, and food and beverage production. Here are some common features of fine chemical products: High purity: Fine chemical products are typically very pure, with impurity levels of less than 1% or even less than 0.1%. This high level of purity ensures that the products meet strict quality standards and are suitable for use in sensitive applications. Tailored properties: Fine chemical products can be tailored to have specific properties that make them ideal for particular applications. For example, a fine chemical used in pharmaceuticals might need to have a specific molecular weight, solubility, or reaction rate. Precise composition: Fine chemical products are typically manufactured using precise, controlled processes that ensure consistent composition and quality from batch to batch. Small-scale production: Fine chemical products are often produced in smaller quantities than commodity chemicals, as they are typically used in specialized applications. This allows for greater control over the manufacturing process and ensures product consistency. 2 High value: Fine chemical products are often high-value products, as they are used in specialized applications where quality and performance are critical. This means that they are typically more expensive than commodity chemicals. Specialty applications: Fine chemical products are used in a wide range of specialty applications, including pharmaceuticals, electronics, coatings, and flavors and fragrances. They are often used in high-tech, high-value industries where precision and performance are critical. Regulatory compliance: Fine chemical products are subject to strict regulatory requirements, particularly in the pharmaceutical and food industries. Manufacturers of fine chemical products must comply with these regulations and provide the necessary documentation and certifications to ensure product safety and quality. In summary, fine chemical products are typically high-purity, specialty chemicals that are tailored to have specific properties for use in specialized applications. They are produced using precise, controlled processes and are subject to strict regulatory requirements to ensure product safety and quality. WHAT ARE INDUSTRIAL FINE CHEMICALS USED FOR?  As one of the most professional fine chemical companies in China, TOPFINE mainly deals with SPRAYLAT brand conductive coatings of PPG, mainly used in electromagnetic interference (EMI), radio frequency (RFI) protection, high- performance electrostatic discharge (ESD) and radar protection in consumer electronics, aerospace, automotive industry, military, medical, base station rooms, etc. TOPFINE is the agent of COSCO Kansai KANSAI coating products, mainly used for silicone high temperature resistant paint, water-based anti-corrosion paint, fluorocarbon coating, anti-static paint for storage tanks, self-cleaning functional coatings, and other products. Fine chemical industries applications mainly include bridges, port machinery, shipyards, storage tanks anti- corrosion, high temperature resistance, and other occasions. FINE CHEMICAL MANUFACTURING CHALLENGES & SOLUTIONS Fine chemical manufacturing involves the production of high-purity, high- quality chemicals used in various industries such as pharmaceuticals, cosmetics, and electronics. Here are some common challenges faced in fine chemical manufacturing and possible solutions: Contamination: Fine chemicals must be produced in a clean and controlled environment to prevent contamination, which can affect their purity and quality. Solutions include implementing proper cleaning procedures, using high- quality raw materials, and maintaining proper ventilation and air filtration systems. Cost: Fine chemical manufacturing can be expensive due to the high cost of raw materials and the need for specialized equipment and processes. Solutions include optimizing production processes to minimize waste and reduce energy consumption, utilizing automation to increase efficiency, and exploring alternative raw materials or production methods. Safety: Fine chemicals can be hazardous, and proper safety measures must be in place to protect workers and the environment. Solutions include implementing safety protocols and training programs, conducting regular safety audits, and using appropriate personal protective equipment. Regulatory compliance: Fine chemical manufacturing is subject to strict regulations governing product quality, safety, and environmental impact. Solutions include keeping up-to-date with regulatory requirements, implementing quality control measures, and maintaining detailed records to ensure compliance. Scale-up: Scaling up production of bulk and fine chemicals can be challenging due to the need for specialized equipment and processes. Solutions include carefully planning the scale-up process, conducting pilot tests to identify potential issues, and collaborating with experienced partners or suppliers. In summary, fine chemical manufacturing faces challenges related to contamination, cost, safety, regulatory compliance, and scale-up. However, these challenges can be addressed through careful planning, optimization of processes, use of appropriate equipment and raw materials, and implementation of safety and quality control measures. TO EXPLORE MORE ABOUT FINE CHEMICALS LIST 1,2-Dichloropropane Sodium Gluconate Thiophene Sodium Bisulfite

Minimum Order: 1 bags

Chemical Polyaluminium Chloride solution 12% for waste water drinking water purification Product Description: Drinking water treatment is a process used to remove impurities and make water safe for human consumption. Polyaluminum chloride (PAC) is sometimes used as a coagulant in the treatment of drinking water. The role of PAC is to promote the aggregation of particles in the water and the formation of flocs, making it easier to remove impurities.With a higher concentration of solution PAC, more effective treatment can be achieved with a smaller volume of PAC, making it more cost-effective.Used in the purification of drinking water, urban water supply and precision manufacturing water, especially in paper-making industry, medicine, refined sugar liquor, cosmetic additives and daily chemical industry, etc. Polyaluminium Chloride Solution 12% Waste Water Treatment Agent PAC 0 Appearance Yellowish liquid Odour Faint of hydrogen chloride pH C.1 Boiling point > 110 °C Density c. 1.3 kg/l (20 °C) Melting point < -20 °C Solutility Soluble in water Flash point Not applicable Specifications ​Polyaluminium Chloride Solution 12% Waste Water Treatment Agent PAC 1Polyaluminium Chloride Solution 12% Waste Water Treatment Agent PAC 2​ Agent types Industry water treatment Drinking water treatment Item PAC-02 PAC-04 Appearance(solution) pale Yellow colorless Al2O3 content % ≥ 6.0 10.0 Basicity % 30-95 45-90 PH (1% water solution) 3.5-5.0 3.5-5.0 Water insolubles % ≤ 0.4 0.1 Note: They can be customized-made based on your special request. Our certifications Polyaluminium Chloride Solution 12% Waste Water Treatment Agent PAC 3 Advantages: 1. Higher concentration: With a higher concentration of PAC, more effective treatment can be achieved with a smaller volume of PAC, making it more cost- effective. 2. Improved coagulation and flocculation: The higher concentration of PAC can lead to improved coagulation and flocculation, which is the process of bringing suspended particles together to form larger, more easily settled particles. 3. Improved treatment efficiency: The higher concentration of liquid PAC can lead to improved treatment efficiency, reducing the amount of PAC required for treatment and resulting in lower costs. 4. Improved treatment speed: The higher concentration of liquid PAC can lead to improved treatment speed, reducing the time required for treatment and improving the overall efficiency of the treatment process. Polyaluminium Chloride Solution 12% Waste Water Treatment Agent PAC 4 Application Field: Widely used in the purification of drinking water, urban water supply and precision manufacturing water, especially in paper-making industry, medicine, refined sugar liquor, cosmetic additives and daily chemical industry, etc.​ Polyaluminium Chloride Solution 12% Waste Water Treatment Agent PAC 5 Our services ​* Sample testing support * Fast reply within 24hours online to answer your questions and solve doubts. * Test every batch before shipment to ensure the quality * Keeping clients informed with logistics information monitoring. * Feel free to consult us about the products at any time.

PRODUCT DESCRIPTION General Usage: It is a hard Ground Coat Frits, can be applied to Cookware/Stove grill/Panel. Product Description: 1, With very good adhesion, can dissolve much iron oxide in metal surface, makes very strong combination with metal body. 2, Can be combined with cover coat in high level. 3, With very good elasticity and compressive strength. Prevent and decrease damage due to mechanical stress. Steel Plate Ground Coat Frit Usage Introduction: Steel plate ground coat frit is mainly used in low carbon steel plate, with very good adhesion and wide firing temperature range. It can be single used, and can be also mixed with other ground coat frits according to firing temperature. Enamel Features Adherence at least number 1 Coefficient of thermal expansion 288.1 Health Information This Ground Coat Frits does not contain Pb, Hg, Cd, Cr+6 Middle Temperature Co Ni Ground Boron Frits Firing Temperature 800-840 Coated On Steel Sheet 0Middle Temperature Co Ni Ground Boron Frits Firing Temperature 800-840 Coated On Steel Sheet 1

Professional Synthetic Dyes Vat Brown Lgg Natural Textile Dyes Eco Friendly Company Information Jiansu World Chemical Co., Ltd. is an enterprise of science and technology type with high starting point, specializing in the production of environmental vat dyes. The company has assets of 8 millions RMB,covering an area of 3000 square meters.There are two subsidiary branch companies,containing more than 40 kins of products wih the brand of "WORLD".There is a streamlined team with strong abilities of technology research and development, production control, application testing.Meanwhile, some veterans and experts are engaged for customer service perennially.Owning to our advanced production technology,scientific management,the leading imported and domestic production equipment and quality testing equipment, our products have passed ISO9001 international quality management system certification and ISO 14001 environmental management system certification. Our tailored brand world vat dyes have a complete chromatogram and outstanding fastness,which is particularly suitable for the special high fastness demand field.Chinese and foreign businessman are cordially welcome to discuss business,share resources and create the brilliant future with us together. Packaging & Shipping 1. 25KG or 50KG individual package as need 2. Inner: plastic bag as need 3. Outer: carton box or plastic drum (optional) Our Services We take great pride in our work and in the wide variety of products that we offer. We are experienced in serving the worldwide market. Please be aware that our production lead times depend on specific items and item quantities. Our success has been based on our understanding of the demands and nature of products and marketing deadlines. That's why we always ensure that every order is delivered on time. Customized Service We accept CUSTOMIZATION as different customers in different markets always have different needs and wants. MOQ is varied based on the specific item. From the product itself, the package to the marketing catelogue we can provide according to your demands. Live Broadcast Service We know well of what the customers are feeling when waiting for the order after deposit confirmed. Here World Chemical Co., Ltd. provides Live Broadcast Service to inform you of every step in the production. There will be specially-assigned person mailing you situations for raw materials buying, production starting, finished goods packaging, booking cargo space and ect. Payment Credit Service We have cooperated with China Export and Credit Insurance Corporation (SINOSURE). This new financing program can provide you O/A payment of 30-60 days of Maximum USD 100000. Onsite Service We have a professional team of talented application engineers to serve oversea customers. If you have any problem in products application, they can come to your door to slove the problem. Vat dyes dyeing process Vat dyes do not dissolve in water, while when reduced to be leuco salt by reducing agent under alkaline conditions, they can dissolve in water and get feature of immediacy with cellulose fibers, which is the way to achieve the purpose of dyeing. Then stable shade and good color fastness would come out via oxidation and soaping. Reduction of dyes Insoluble reducing dye will change into soluble leuco. Different levels of the best staining methods are brought out according to the reduction dyes’ reduction potential and level of its immediacy to fibers. Dye-uptake of leuco The leuco is absorbed by fiber and then it is diffusing into the fiber. It is necessary to use soft water or softened water in dyeing process. Hereby it is suggested to add the water softener for 1g/L to some poor quality cotton calcium, magnesium ions, but also the iron, copper ions which are absorbed by the pipe into the dye bath, and finally keep the solubility of leuco.